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Alla [95]
3 years ago
8

There are 7 red marbles, 7 blue marbles, 7 yellow marbles, and 7 green marbles in a bag. If a person randomly selects 1 marble f

rom the bag, what is the probability that the person selects a blue marble? (HOW DID YOU GET YOUR ANSWER, PLEASE SHOW ME YOUR WORK!!)
A. 0.75

B. 0.5

C. 0.25

D. 0.0625
Mathematics
1 answer:
Grace [21]3 years ago
7 0

Answer:

0.25

Step-by-step explanation:

You have 4 options:

1/4: red

1/4: blue

1/4: green

1/4: yellow

Combined equals a whole, so each one of them equals 0.25

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Y=3x-8 in function notation
julia-pushkina [17]

To write it in function notation you'll convert it into a function, substituting y by f(x):


y = 3x - 8 = f(x) = 3x - 8



Hope it helped,



BioTeacher101

3 0
3 years ago
( x + 3 )( y + 2 ) = xy - 5<br> ( x + 2 )( y - 3 ) = xy
Paraphin [41]

Answer:

xy+2x+3y+6=xy-5 .............(1)

xy-3x+2y-6=xy.....,.,(2)

2x+3y=-11

-4x+2y=6

first equation multiply by 2

(2)*(2x+3y)=-11

4x+6y=-22

-4x+2y=6

8y=-16 y=(-2),,,,, x=(-2,5)

4 0
3 years ago
"I'm thinking of a fraction that is equivalent to 5/6
Liono4ka [1.6K]

Answer:

20/24

Step-by-step explanation:

let the variable be x and x-4

5/6 = x-4/x

cross multiply

5x = 6x - 24

24= x

thus, x is 24 and x-4 is 20

<u>20/24</u>

4 0
3 years ago
144 rocks divided among 12 teams equals?
scoundrel [369]
144/12 is 12 

so it is equally divided 
8 0
3 years ago
25 POINTS!
bekas [8.4K]

Answer:

y-5=4(x+3)

Step-by-step explanation:

y-y1=m(x-x1)

y-5=4(x-(-3))

y-5=4(x+3)

6 0
3 years ago
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